java 使用 BufferedReader 输入模板
作者:
amy_95
,
2021-10-21 00:01:44
,
所有人可见
,
阅读 372
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;
public class SinglePointer {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int n = readInt(br);
System.out.println(n);
int[] nums = readInts(br,n);
System.out.println(Arrays.toString(nums));
br.close();
}
public static int readInt(BufferedReader br) throws Exception{
String str = br.readLine();
return Integer.parseInt(str);
}
public static int[] readInts(BufferedReader br, int n) throws Exception{
String line = br.readLine();
return Arrays.stream(line.split("\\s+")).mapToInt(Integer::parseInt).toArray();
}
}